Can you explain why the Central Limit Theorem is important for making inferences about population means from sample means, including its assumptions and practical applications in real-world data?
Answer 1
The Central Limit Theorem (CLT) is crucial for statistical inference because it states that the sampling distribution of the sample mean approaches a normal distribution as the sample size increases, regardless of the population’s distribution. This allows for the use of normal probability theory to make inferences about population means. Assumptions include random sampling and a sufficiently large sample size. Practical applications include quality control, election polling, and any scenario where estimating population parameters from samples is necessary.
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